---
license: cc-by-4.0
task_categories:
  - text-to-speech
language:
  - en
tags:
  - tts
  - vocabulary
  - gsat
---

# GSAT Vocabulary TTS Audio

Text-to-speech audio files for GSAT (General Scholastic Ability Test) English vocabulary.

## Structure

- `audio/` - MP3 audio files organized by hash prefix (e.g., `audio/ab/abcd1234....mp3`)
- `index.jsonl` - Index file mapping hashes to text and TTS engine used

## Engines

- **Kokoro** (`af_heart` voice) - Used for lemmas (single words/phrases)
- **Supertonic** (`M1` voice) - Used for example sentences

## Audio Format

- Format: MP3
- Sample rate: 24kHz
- Channels: Mono
- Bitrate: 48kbps
- Normalization: loudnorm (I=-16, TP=-1.5, LRA=11)